Seed 1.6
General purposeVisionToolsByteDance Seed · Released December 2025
Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
Facts and pricing
- Provider
- ByteDance Seed
- Context window
- 262K tokens
- Input price
- 2.8 credits / 1M tokens ($0.25 raw)
- Output price
- 22.0 credits / 1M tokens ($2.00 raw)
- Vision (image input)
- Yes
- Tool calling
- Yes
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.
Try Seed 1.6 now
What Seed 1.6 is best for
- Balanced everyday work: writing, questions, brainstorming and summarization
- Long documents: the 262K-token window holds lengthy reports, contracts or papers whole
- Working with images: screenshots, charts, photos and scanned documents alongside text
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
ByteDance Seed family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Seed 2.1 Turbo | 262K | 5.5 | 27.5 | August 2026 |
| Seed-2.0-Code | 262K | 5.5 | 33.0 | August 2026 |
| Seed-2.0-Lite | 262K | 2.8 | 22.0 | March 2026 |
| Seed-2.0-Mini | 262K | 1.1 | 4.4 | February 2026 |
| Seed 1.6 Flash | 262K | 0.83 | 3.3 | December 2025 |
| Seed 1.6 | 262K | 2.8 | 22.0 | December 2025 |
Frequently asked questions
- What is Seed 1.6?
- Seed 1.6 is an AI model by ByteDance Seed. Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
- How much does Seed 1.6 cost on Zeplik?
- Input tokens cost 2.8 credits per million and output tokens 22.0 credits per million (1 credit = $0.10; the raw provider rates are $0.25 and $2.00 per million). New accounts start with free credits.
- How long can a conversation with Seed 1.6 be?
- Seed 1.6 has a 262K-token context window (262,144 tokens), which covers the conversation plus any documents you attach.
- Does Seed 1.6 support images and tools?
- Seed 1.6 accepts image input and supports tool calling.
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More you can do with Seed 1.6
- 465 AI skillsReady-to-run expert methods for writing, data, code and more, each running on Seed 1.6 or any model you pick.
- 997 integrationsConnect Gmail, Slack, GitHub, Notion and hundreds more so the assistant can work in your apps.
- Simple pricingPlus, Pro and Max plans with a monthly credit allowance that works across every model.